Nepean Bay Weather Forecast

    • 8
    • 17

    Possible shower

    • 7
    • 16

    Showers easing

    • 5
    • 13

    Shower or two

    • 5
    • 15

    Cloudy

    • 7
    • 16

    Shower or two

    • 5
    • 17

    Shower or two

    • 8
    • 17

    Shower or two

Today 21 Jul Kangaroo Island

Cloudy. High chance of showers in the west, medium chance elsewhere. Winds northerly 15 to 20 km/h turning northwesterly in the early afternoon. Overnight temperatures falling to around 10 with daytime temperatures reaching around 16.

Investigator Strait Coastal Waters

Wind
Northerly 10 to 15 knots turning northwesterly in the early afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Weather
Cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

July Temperature

Kingscote Airport (7km)

  • Lowest 17 July, 2026

    -1.2 °C

  • Average July

    10.2 °C

  • Highest 14 July, 2026

    18 °C

Climate (2021–2026)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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